DSDP Vol. 69 Table of Contents

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	DSDP Volume LXIX Table of Contents doi:10.2973/dsdp.proc.69.1983 Publication date: May 2007 Preliminary Pages Part I: Introduction and Site Chapters 1. Geothermal Phenomena at the Costa Rica Rift: Background and Objectives for Drilling at Deep Sea Drilling Project Sites 501, 504, and 505 M.G. Langseth, J.R. Cann, J.H. Natland, and M. Hobart doi:10.2973/dsdp.proc.69.101.1983 2. Sites 501 and 504: Sediments and Ocean Crust in an Area of High Heat Flow on the Southern Flank of the Costa Rica Rift Shipboard Scientific Parties of Leg 68 (Site 501), Leg 69, and Leg 70 doi:10.2973/dsdp.proc.69.102.1983 3. Site 505: Sediments and Ocean Crust in an Area of Low Heat Flow South of the Costa Rica Rift Shipboard Scientific Party doi:10.2973/dsdp.proc.69.103.1983 Part II: Geophysical Studies 4. Gloria Survey over Costa Rica Rift: Sites 501, 504, and 505 R.C. Searle doi:10.2973/dsdp.proc.69.104.1983 5. Deep Crustal Geothermal Measurements, Hole 504B, Deep Sea Drilling Project Legs 69 and 70 K. Becker, M.G. Langseth, and R.P. Von Herzen doi:10.2973/dsdp.proc.69.105.1983 6. In Situ Large-Scale Electrical Resistivity of Ocean Crust, Hole 504B R.P. Von Herzen, T.J.G. Francis, and K. Becker doi:10.2973/dsdp.proc.69.106.1983 7. Permeability, Underpressures, and Convection in the Oceanic Crust at Deep Sea Drilling Project Hole 504B M.D. Zoback and R.N. Anderson doi:10.2973/dsdp.proc.69.107.1983 8. The Implications of Fracture and Void Distribution from Bore-Hole Televiewer Imagery for the Seismic Velocity of the Upper Oceanic Crust at Deep Sea Drilling Project Holes 501 and 504B R.N. Anderson and M.D. Zoback doi:10.2973/dsdp.proc.69.108.1983 9. First Measurements of the Magnetic Field within the Ocean Crust: Deep Sea Drilling Project Legs 68 and 69 V.N. Ponomarev and V.L. Nekhoroshkov doi:10.2973/dsdp.proc.69.109.1983 10. Downhole Logging at Deep Sea Drilling Project Sites 501, 504, and 505, near the Costa Rica Rift J.R. Cann and R.P. Von Herzen doi:10.2973/dsdp.proc.69.110.1983 11. The Oblique Seismic Experiment on Deep Sea Drilling Project Leg 70 R.A. Stephen doi:10.2973/dsdp.proc.69.111.1983 Part III: Sedimentology and Paleontology 12. Biostratigraphic and Paleoceanographic Events in the Eastern Equatorial Pacific: Results of Deep Sea Drilling Project Leg 69 C.A. Sancetta doi:10.2973/dsdp.proc.69.112.1983 13. Upper Cenozoic Silicoflagellates from offshore Ecuador, Deep Sea Drilling Project Site 504 D. Bukry doi:10.2973/dsdp.proc.69.113.1983 14. Sedimentary and Diagenetic Processes in the Central Panama Basin Since the Late Miocene: The Lithology and Composition of Sediments from Deep Sea Drilling Project Sites 504 and 505 H. Beiersdorf and J.H. Natland doi:10.2973/dsdp.proc.69.114.1983 15. Mineralogy of Sediments Encountered during Deep Sea Drilling Project Leg 69 (Costa Rica Rift, Panama Basin), as Determined by X-Ray Diffraction H. Beiersdorf and H. Rösch doi:10.2973/dsdp.proc.69.115.1983 16. Petrology and Geochemistry of Silicified Upper Miocene Chalk, Costa Rica Rift, Deep Sea Drilling Project Leg 69 J.R. Hein, C. Sancetta, and L.A. Morgenson doi:10.2973/dsdp.proc.69.116.1983 17. Oxygen-Isotope Composition of Secondary Silica Phases, Costa Rica Rift, Deep Sea Drilling Project Leg 69 J.R. Hein and H.-W. Yeh doi:10.2973/dsdp.proc.69.117.1983 18. Stable Isotope Record of Hole 504 Sediments: High Resolution Record of the Pleistocene N.J. Shackleton and M.A. Hall doi:10.2973/dsdp.proc.69.118.1983 19. Organic Matter in Deep Sea Drilling Project Site 504 and 505 Sediments Studied by a Thermal Analysis-Gas Chromatography Technique J.K. Whelan and J.M. Hunt doi:10.2973/dsdp.proc.69.119.1983 20. Rhyolitic and Basaltic Ashes from the Galapagos Mounds Area, Leg 70, Deep Sea Drilling Project H.-U. Schmincke doi:10.2973/dsdp.proc.69.120.1983 Part IV: Pore-Fluid and Formation Fluid Geochemistry 21. Elemental and Stable-Isotope Composition of Pore Waters and Carbonate Sediments from Deep Sea Drilling Project Sites 501/504 and 505 M.J. Mottl, J.R. Lawrence, and L.D. Keigwin doi:10.2973/dsdp.proc.69.121.1983 22. Chemistry of Waters Sampled from Basaltic Basement in Deep Sea Drilling Project Holes 501, 504B, and 505B M.J. Mottl, R.N. Anderson, W.J. Jenkins, and J.R. Lawrence doi:10.2973/dsdp.proc.69.122.1983 23. Uranium Results from Hole 504B Water Samples M.P. Bacon doi:10.2973/dsdp.proc.69.123.1983 24. Alkali and Sr Isotope Geochemistry of Waters Collected from Basaltic Basement, Deep Sea Drilling Project Hole 504B, Costa Rica Rift S.R. Hart and M.J. Mottl doi:10.2973/dsdp.proc.69.124.1983 Part V: Basalt Alteration 25. Alteration in Site 501 (Leg 68) and Site 504 (Leg 69) Basalts: Preliminary Results Y. Noack, R. Emmermann, and H.-W. Hubberten doi:10.2973/dsdp.proc.69.125.1983 26. Alteration Processes in Layer 2 Basalts from Deep Sea Drilling Project Hole 504B, Costa Rica Rift J. Honnorez, C. Laverne, H.-W. Hubberten, R. Emmermann, and K. Muehlenbachs doi:10.2973/dsdp.proc.69.126.1983 27. Occurrence and Origin of Anhydrite from Deep Sea Drilling Project Leg 70, Hole 504B, Costa Rica Rift J.C. Alt, J. Honnorez, H.-W. Hubberten, and E. Saltzman doi:10.2973/dsdp.proc.69.127.1983 28. Chemistry of Alteration Minerals from Deep Sea Drilling Project Sites 501, 504, and 505 A.C. Adamson doi:10.2973/dsdp.proc.69.128.1983 29. Alteration Zones near Veins in Basalts from Deep Sea Drilling Project Sites 501/504 and 505, Costa Rica Rift N.N. Pertsev and V.A. Boronikhin doi:10.2973/dsdp.proc.69.129.1983 30. Secondary Minerals in Basalt from the Costa Rica Rift, Holes 501 and 504B, Deep Sea Drilling Project Legs 68, 69, and 70 V.B. Kurnosov, I.V. Kholodkevich, V.M. Chubarov, and A.Ya. Shevchenko doi:10.2973/dsdp.proc.69.130.1983 31. A Mössbauer Study of Saponite in Layer 2 Basalt, Deep Sea Drilling Project Leg 69 A.J. Andrews, W.A. Dollase, and M.E. Fleet doi:10.2973/dsdp.proc.69.131.1983 32. Secondary K-Feldspar in Basalts at Deep Sea Drilling Project Hole 504B and the Problem of K-Feldspathization in Oceanic Basalts N.N. Pertsev and V.A. Boronikhin doi:10.2973/dsdp.proc.69.132.1983 33. Occurrence of Melanite and Aegirine-Augite in Deep Sea Drilling Project Hole 504B C. Laverne doi:10.2973/dsdp.proc.69.133.1983 34. Sulfide Petrology of Basalts from Deep Sea Drilling Project Holes 504B and 505B V.V. Distler, N.N. Pertsev, and V.A. Boronikhin doi:10.2973/dsdp.proc.69.134.1983 35. Sulfur-Isotope Composition of Hydrothermal Sulfides from Hole 504B, Deep Sea Drilling Project Leg 70, Costa Rica Rift V.M. Belyi, A.A. Migdisov, N.V. Barskaya, and V.A. Grinenko doi:10.2973/dsdp.proc.69.135.1983 36. Sulfur Content and Sulfur Isotopes of Basalts from the Costa Rica Rift (Hole 504B, Deep Sea Drilling Project Legs 69 and 70) H.-W. Hubberten doi:10.2973/dsdp.proc.69.136.1983 37. Oxygen- and Hydrogen-Isotope Composition of Some Basalts from Deep Sea Drilling Project Hole 504B, Costa Rica Rift, Legs 69 and 70 T.J. Barrett and H. Friedrichsen doi:10.2973/dsdp.proc.69.137.1983 38. Strontium- and Lead-Isotope Composition of Some Basalts from Deep Sea Drilling Project Hole 504B, Costa Rica Rift, Legs 69 and 70 T.J. Barrett doi:10.2973/dsdp.proc.69.138.1983 39. Inert-Gas Contents of Altered Samples from Deep Sea Drilling Project Holes 501, 504B, and 505B, Costa Rica Rift D.J. Terrell and J.G. Mitchell doi:10.2973/dsdp.proc.69.139.1983 Part VI: Physical and Magnetic Properties of Sediments and Basalts 40. Physical Properties of Sediments of the Costa Rica Rift, Deep Sea Drilling Project Sites 504 and 505 R.H. Wilkens and M.G. Langseth doi:10.2973/dsdp.proc.69.140.1983 41. Shipboard Physical-Properties Measurements of Basalts from the Costa Rica Rift, Deep Sea Drilling Project Legs 69 and 70 S. Karato, R.H. Wilkens, and M.G. Langseth doi:10.2973/dsdp.proc.69.141.1983 42. High-Pressure Seismic Studies of Leg 69 and 70 Basalts R.H. Wilkens, N.I. Christensen, and L. Slater doi:10.2973/dsdp.proc.69.142.1983 43. Physical Properties of Basalts from Deep Sea Drilling Project Hole 504B, Costa Rica Rift S. Karato doi:10.2973/dsdp.proc.69.143.1983 44. Basement Paleomagnetism of Hole 504B T. Furuta and S. Levi doi:10.2973/dsdp.proc.69.144.1983 45. Magnetic Properties of Basalts, Deep Sea Drilling Project Legs 69 and 70 D.M. Pechersky, L.V. Tikhonov, and N.N. Pertsev doi:10.2973/dsdp.proc.69.145.1983 46. Magnetic Properties of Basalt Samples from Holes 504B and 505B on the Costa Rica Rift, Deep Sea Drilling Project Legs 69 and 70 T. Furuta doi:10.2973/dsdp.proc.69.146.1983 47. Magnetic Properties of Basalts from Hole 504B, Deep Sea Drilling Project Leg 69 J.B. O'Donovan and W. O'Reilly doi:10.2973/dsdp.proc.69.147.1983 Part VII: Igneous Petrology 48. Costa Rica Rift Zone Basalts: Geochemical and Experimental Data from a Possible Example of Multistage Melting L.K. Autio and J.M. Rhodes doi:10.2973/dsdp.proc.69.148.1983 49. Trace Element Geochemistry of Basalts from Hole 504B, Panama Basin, Deep Sea Drilling Project Legs 69 and 70 N.G. Marsh, J. Tarney, and G.L. Hendry doi:10.2973/dsdp.proc.69.149.1983 50. Costa Rica Rift: Variably Depleted Basalts in the Same Hole J. Etoubleau, O. Corre, J.L. Joron, H. Bougault, and M. Treuil doi:10.2973/dsdp.proc.69.150.1983 51. Major- and Trace-Element Chemistry of Hole 504B Basalts and Their Alteration Products (Costa Rica Rift, Deep Sea Drilling Project Leg 70) A.Ya. Sharaskin, A.A. Migdisov, I.A. Rostschina, and A.Z. Miklishansky doi:10.2973/dsdp.proc.69.151.1983 52. Geochemistry of Basalts from Costa Rica Rift Sites 504 and 505 (Deep Sea Drilling Project Legs 69 and 70) H.-W. Hubberten, R. Emmermann, and H. Puchelt doi:10.2973/dsdp.proc.69.152.1983 53. Chromian Spinels in Costa Rica Rift Basalts, Deep Sea Drilling Project Site 505—A Preliminary Interpretation of Electron Microprobe Analyses T. Furuta and H. Tokuyama doi:10.2973/dsdp.proc.69.153.1983 54. A Compositionally Nearly Steady-State Magma Chamber at the Costa Rica Rift: Evidence from Basalt Glass and Mineral Data, Deep Sea Drilling Project Sites 501, 504, and 505 J.H. Natland, A.C. Adamson, C. Laverne, W.G. Melson, and T. O'Hearn doi:10.2973/dsdp.proc.69.154.1983 Part VIII: Appendix Appendix: Interlaboratory Comparison of Leg 69 and 70 Basalt Standards H.-W. Hubberten and J.H. Splain doi:10.2973/dsdp.proc.69.app.1983 DSDP Data and Samples Data: DSDP legacy data can be accessed through the Integrated Ocean Drilling Program (IODP) data portal. Samples: DSDP cores are housed at the Integrated Ocean Drilling Program (IODP) repositories and can be sampled by research scientists, educators, museums, and outreach institutions. Core Images: Shipboard core descriptions and core photos are included in the site chapters. The entire set of digitized core images produced by scanning the original negatives is available in PDF in the cores directory. Citations Citation information about scientific publications related to this and other DSDP legs is available in the Ocean Drilling Citation Database. Maps DSDP Leg 69 Site Map DSDP Map (Legs 1–96)